40233242112 has 160 divisors (see below), whose sum is σ = 123312059904. Its totient is φ = 11418624000.

The previous prime is 40233242087. The next prime is 40233242113. The reversal of 40233242112 is 21124233204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40233242113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1611162 + ... + 1635942.

Almost surely, 2^40233242112 is an apocalyptic number.

40233242112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40233242112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61656029952).

40233242112 is an abundant number, since it is smaller than the sum of its proper divisors (83078817792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40233242112 is a wasteful number, since it uses less digits than its factorization.

40233242112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24960 (or 24944 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40233242112 its reverse (21124233204), we get a palindrome (61357475316).

It can be divided in two parts, 402332 and 42112, that added together give a palindrome (444444).

The spelling of 40233242112 in words is "forty billion, two hundred thirty-three million, two hundred forty-two thousand, one hundred twelve".